IVGCVSW-4213 Enable split along any dimension
IVGCVSW-4213 Enable split along any dimension

 * Remove check on split dimension

Signed-off-by: Ryan OShea <78edf9889e9e5db3b98905d7b2666c47635de0f0@arm.com>
Change-Id: I03b88b8c8f1dcd842d9cc9d783ad7d0aa2c0ed3a

ARM-software/armnn,ARM-software/armnn,ARM-software/armnn